哈希算法 c语言

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

// 哈希函数

unsigned int hash_function(const char *str) {

unsigned int hash = 0;

while (*str) {

hash = (hash * 31 + *str) % 1000;

str++;

}

return hash;

}

int main() {

const char *str1 = "Hello";

const char *str2 = "World";

unsigned int hash1 = hash_function(str1);

unsigned int hash2 = hash_function(str2);

printf("String: %s, Hash: %u\n", str1, hash1);

printf("String: %s, Hash: %u\n", str2, hash2);

return 0;

}